diff --git a/libs/libc/string/lib_bsdmemccpy.c b/libs/libc/string/lib_bsdmemccpy.c
index d2bd9b3b6af..c2efbf24d56 100644
--- a/libs/libc/string/lib_bsdmemccpy.c
+++ b/libs/libc/string/lib_bsdmemccpy.c
@@ -1,6 +1,9 @@
 /****************************************************************************
  * libs/libc/string/lib_bsdmemccpy.c
  *
+ * SPDX-License-Identifier: BSD
+ * SPDX-FileCopyrightText: 1994-2009  Red Hat, Inc. All rights reserved
+ *
  * Copyright (c) 1994-2009  Red Hat, Inc. All rights reserved.
  *
  * This copyrighted material is made available to anyone wishing to use,
diff --git a/libs/libc/string/lib_bsdmemchr.c b/libs/libc/string/lib_bsdmemchr.c
index fd4f7ad88fa..1a4887e0cdb 100644
--- a/libs/libc/string/lib_bsdmemchr.c
+++ b/libs/libc/string/lib_bsdmemchr.c
@@ -1,6 +1,9 @@
 /****************************************************************************
  * libs/libc/string/lib_bsdmemchr.c
  *
+ * SPDX-License-Identifier: BSD
+ * SPDX-FileCopyrightText: 1994-2009  Red Hat, Inc. All rights reserved
+ *
  * Copyright (c) 1994-2009  Red Hat, Inc. All rights reserved.
  *
  * This copyrighted material is made available to anyone wishing to use,
diff --git a/libs/libc/string/lib_bsdmemcmp.c b/libs/libc/string/lib_bsdmemcmp.c
index ff9a12a59d7..85b1428cdf3 100644
--- a/libs/libc/string/lib_bsdmemcmp.c
+++ b/libs/libc/string/lib_bsdmemcmp.c
@@ -1,6 +1,9 @@
 /****************************************************************************
  * libs/libc/string/lib_bsdmemcmp.c
  *
+ * SPDX-License-Identifier: BSD
+ * SPDX-FileCopyrightText: 1994-2009  Red Hat, Inc. All rights reserved
+ *
  * Copyright (c) 1994-2009  Red Hat, Inc. All rights reserved.
  *
  * This copyrighted material is made available to anyone wishing to use,
diff --git a/libs/libc/string/lib_bsdmemcpy.c b/libs/libc/string/lib_bsdmemcpy.c
index 6cfcdc8a775..78f77933fe7 100644
--- a/libs/libc/string/lib_bsdmemcpy.c
+++ b/libs/libc/string/lib_bsdmemcpy.c
@@ -1,6 +1,9 @@
 /****************************************************************************
  * libs/libc/string/lib_bsdmemcpy.c
  *
+ * SPDX-License-Identifier: BSD
+ * SPDX-FileCopyrightText: 1994-2009  Red Hat, Inc. All rights reserved
+ *
  * Copyright (c) 1994-2009  Red Hat, Inc. All rights reserved.
  *
  * This copyrighted material is made available to anyone wishing to use,
diff --git a/libs/libc/string/lib_bsdmemrchr.c b/libs/libc/string/lib_bsdmemrchr.c
index 92d141a3b08..36691103576 100644
--- a/libs/libc/string/lib_bsdmemrchr.c
+++ b/libs/libc/string/lib_bsdmemrchr.c
@@ -1,6 +1,9 @@
 /****************************************************************************
  * libs/libc/string/lib_bsdmemrchr.c
  *
+ * SPDX-License-Identifier: BSD
+ * SPDX-FileCopyrightText: 1994-2009  Red Hat, Inc. All rights reserved
+ *
  * Copyright (c) 1994-2009  Red Hat, Inc. All rights reserved.
  *
  * This copyrighted material is made available to anyone wishing to use,
diff --git a/libs/libc/string/lib_bsdstpcpy.c b/libs/libc/string/lib_bsdstpcpy.c
index 0949c67e84d..786d7f251b3 100644
--- a/libs/libc/string/lib_bsdstpcpy.c
+++ b/libs/libc/string/lib_bsdstpcpy.c
@@ -1,6 +1,9 @@
 /****************************************************************************
  * libs/libc/string/lib_bsdstpcpy.c
  *
+ * SPDX-License-Identifier: BSD
+ * SPDX-FileCopyrightText: 1994-2009  Red Hat, Inc. All rights reserved
+ *
  * Copyright (c) 1994-2009  Red Hat, Inc. All rights reserved.
  *
  * This copyrighted material is made available to anyone wishing to use,
diff --git a/libs/libc/string/lib_bsdstpncpy.c b/libs/libc/string/lib_bsdstpncpy.c
index bc1708170b1..38e4c846954 100644
--- a/libs/libc/string/lib_bsdstpncpy.c
+++ b/libs/libc/string/lib_bsdstpncpy.c
@@ -1,6 +1,9 @@
 /****************************************************************************
  * libs/libc/string/lib_bsdstpncpy.c
  *
+ * SPDX-License-Identifier: BSD
+ * SPDX-FileCopyrightText: 1994-2009  Red Hat, Inc. All rights reserved
+ *
  * Copyright (c) 1994-2009  Red Hat, Inc. All rights reserved.
  *
  * This copyrighted material is made available to anyone wishing to use,
diff --git a/libs/libc/string/lib_bsdstrcat.c b/libs/libc/string/lib_bsdstrcat.c
index 86e65001016..1263cf53259 100644
--- a/libs/libc/string/lib_bsdstrcat.c
+++ b/libs/libc/string/lib_bsdstrcat.c
@@ -1,6 +1,9 @@
 /****************************************************************************
  * libs/libc/string/lib_bsdstrcat.c
  *
+ * SPDX-License-Identifier: BSD
+ * SPDX-FileCopyrightText: 1994-2009  Red Hat, Inc. All rights reserved
+ *
  * Copyright (c) 1994-2009  Red Hat, Inc. All rights reserved.
  *
  * This copyrighted material is made available to anyone wishing to use,
diff --git a/libs/libc/string/lib_bsdstrchr.c b/libs/libc/string/lib_bsdstrchr.c
index 4446c173285..05f661f7a8c 100644
--- a/libs/libc/string/lib_bsdstrchr.c
+++ b/libs/libc/string/lib_bsdstrchr.c
@@ -1,6 +1,9 @@
 /****************************************************************************
  * libs/libc/string/lib_bsdstrchr.c
  *
+ * SPDX-License-Identifier: BSD
+ * SPDX-FileCopyrightText: 1994-2009  Red Hat, Inc. All rights reserved
+ *
  * Copyright (c) 1994-2009  Red Hat, Inc. All rights reserved.
  *
  * This copyrighted material is made available to anyone wishing to use,
diff --git a/libs/libc/string/lib_bsdstrchrnul.c b/libs/libc/string/lib_bsdstrchrnul.c
index d3999ac0c78..5245f157895 100644
--- a/libs/libc/string/lib_bsdstrchrnul.c
+++ b/libs/libc/string/lib_bsdstrchrnul.c
@@ -1,6 +1,9 @@
 /****************************************************************************
  * libs/libc/string/lib_bsdstrchrnul.c
  *
+ * SPDX-License-Identifier: BSD
+ * SPDX-FileCopyrightText: 1994-2009  Red Hat, Inc. All rights reserved
+ *
  * Copyright (c) 1994-2009  Red Hat, Inc. All rights reserved.
  *
  * This copyrighted material is made available to anyone wishing to use,
diff --git a/libs/libc/string/lib_bsdstrcmp.c b/libs/libc/string/lib_bsdstrcmp.c
index b8ba758a3cb..d22258055eb 100644
--- a/libs/libc/string/lib_bsdstrcmp.c
+++ b/libs/libc/string/lib_bsdstrcmp.c
@@ -1,6 +1,9 @@
 /****************************************************************************
  * libs/libc/string/lib_bsdstrcmp.c
  *
+ * SPDX-License-Identifier: BSD
+ * SPDX-FileCopyrightText: 1994-2009  Red Hat, Inc. All rights reserved
+ *
  * Copyright (c) 1994-2009  Red Hat, Inc. All rights reserved.
  *
  * This copyrighted material is made available to anyone wishing to use,
diff --git a/libs/libc/string/lib_bsdstrcpy.c b/libs/libc/string/lib_bsdstrcpy.c
index bf352ade5af..371e67f819b 100644
--- a/libs/libc/string/lib_bsdstrcpy.c
+++ b/libs/libc/string/lib_bsdstrcpy.c
@@ -1,6 +1,9 @@
 /****************************************************************************
  * libs/libc/string/lib_bsdstrcpy.c
  *
+ * SPDX-License-Identifier: BSD
+ * SPDX-FileCopyrightText: 1994-2009  Red Hat, Inc. All rights reserved
+ *
  * Copyright (c) 1994-2009  Red Hat, Inc. All rights reserved.
  *
  * This copyrighted material is made available to anyone wishing to use,
diff --git a/libs/libc/string/lib_bsdstrlen.c b/libs/libc/string/lib_bsdstrlen.c
index 992f40f01b9..6f78837f388 100644
--- a/libs/libc/string/lib_bsdstrlen.c
+++ b/libs/libc/string/lib_bsdstrlen.c
@@ -1,6 +1,9 @@
 /****************************************************************************
  * libs/libc/string/lib_bsdstrlen.c
  *
+ * SPDX-License-Identifier: BSD
+ * SPDX-FileCopyrightText: 1994-2009  Red Hat, Inc. All rights reserved
+ *
  * Copyright (c) 1994-2009  Red Hat, Inc. All rights reserved.
  *
  * This copyrighted material is made available to anyone wishing to use,
diff --git a/libs/libc/string/lib_bsdstrncmp.c b/libs/libc/string/lib_bsdstrncmp.c
index a1f7441eebb..b3724ecd734 100644
--- a/libs/libc/string/lib_bsdstrncmp.c
+++ b/libs/libc/string/lib_bsdstrncmp.c
@@ -1,6 +1,9 @@
 /****************************************************************************
  * libs/libc/string/lib_bsdstrncmp.c
  *
+ * SPDX-License-Identifier: BSD
+ * SPDX-FileCopyrightText: 1994-2009  Red Hat, Inc. All rights reserved
+ *
  * Copyright (c) 1994-2009  Red Hat, Inc. All rights reserved.
  *
  * This copyrighted material is made available to anyone wishing to use,
diff --git a/libs/libc/string/lib_bsdstrncpy.c b/libs/libc/string/lib_bsdstrncpy.c
index a35c7dd40f5..cd7abf688db 100644
--- a/libs/libc/string/lib_bsdstrncpy.c
+++ b/libs/libc/string/lib_bsdstrncpy.c
@@ -1,6 +1,9 @@
 /****************************************************************************
  * libs/libc/string/lib_bsdstrncpy.c
  *
+ * SPDX-License-Identifier: BSD
+ * SPDX-FileCopyrightText: 1994-2009  Red Hat, Inc. All rights reserved
+ *
  * Copyright (c) 1994-2009  Red Hat, Inc. All rights reserved.
  *
  * This copyrighted material is made available to anyone wishing to use,
diff --git a/libs/libc/string/lib_bsdstrrchr.c b/libs/libc/string/lib_bsdstrrchr.c
index 50ab3d58779..e83decbbf47 100644
--- a/libs/libc/string/lib_bsdstrrchr.c
+++ b/libs/libc/string/lib_bsdstrrchr.c
@@ -1,6 +1,9 @@
 /****************************************************************************
  * libs/libc/string/lib_bsdstrrchr.c
  *
+ * SPDX-License-Identifier: BSD
+ * SPDX-FileCopyrightText: 1994-2009  Red Hat, Inc. All rights reserved
+ *
  * Copyright (c) 1994-2009  Red Hat, Inc. All rights reserved.
  *
  * This copyrighted material is made available to anyone wishing to use,